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One mole of (C6H5)3COH dissolved in 1000 g of 100% sulphuric aciu lowers the freezing point of sulphuric acid twice as one mole of CH3OH shows in 1000 g of 100% sulphuric acid. Comment on it assuming that CH3OH is neither dissociated nor associated in sulphuric acid.
calculate the heat absorbed by 15.0 g of water to raise its temperature from 20.0oc to 50.0oc at constant pressure. the
A 0.15 M aqueous solution of the weak acid HA at 25.0 C has a pH of 5.35. What is the value of Ka for HA ?
if a gas occupies 733 mililitres at the temperature of ten degree celsius at what temperature will it occupy nbsp950
Compute the value from the previous slide (that is 4%) utilizing the equation for R pretentious light is traveling from air of? = 1.00 into glass of? = 1.50. Also do the calculation for? = 1.70.
The total precipitate was dissolved in HCl + HNO3. When the solution thus formed was treated with excess NaOH followed by H2O2, a colorless solution and a reddish brown precipitate were formed. The precipitate was found to be soluble in HCl, H2SO4..
The specific heat of the product is 4.06J/g deg. C and the density is 1.01g/mL. a. Calculate the heat of the reaction, q, and the enthalpy per mole.
calculate the osmotic pressure in mm hg of 6.00 l of an aqueous 0.889 m solution at 30.degc if the solute concerned is
Consider 2 Al + 6 HCl → 2 AlCl3 + 3 H2 , the reaction of Al with HCl to produce hydrogen gas. This reaction has a yield of 82.5 percent. How much HCl are needed to produce 14.0 L of H2 at 351 K and 1.11 atm
Diethylamine, (C2H5)2NH, is a weak base (pKb=3.16 at 25oC). What is the pH of 0.155 mol/L (C2H5)2NH(aq) at 25oC
imagine that you have been hired as an efficiency consultant by a plant that produces ammonia using the haber
Select the strongest interparticle force(s) present in Mg3N2.
The current dietary recommendation is to consume less than 0.1 mol of sodium per day. one teaspoon of table salt. The sodium content of a popular type of fast-food hamburger is 730 mg
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